Born 15 October 1871 at Swansea, second son of Archibald Black Gullan and Ellen Freeman, his wife. He was educated at Birkenhead School and at University College, Liverpool, where he won the Holt scholarship. After taking the Conjoint qualification in 1894 and the London MB BS in 1896, he proceeded to the Fellowship in 1897 but soon evincing a preference for medicine he took the London MD in 1899 and the MRCP in 1901. He had acted as demonstrator of anatomy and physiology at Liverpool University, where he was afterwards lecturer in clinical medicine. He also served as medical tutor and registrar at the Royal Infirmary, Liverpool and was then appointed assistant physician at the Infirmary for Children He ultimately became consulting physician to the Stanley and the Waterloo Hospitals. On the outbreak of war Gullan was commissioned lieutenant-colonel RAMC (T) on 8 August 1914, and served in France as officer in command of the West Lancashire field ambulance, and was later in charge of the military hospital at Gibraltar. He was an active member of the Liverpool division of the British Medical Association, representing it at the Oxford, Leicester, and Exeter meetings, and being its chairman in 1928-29; he was also Secretary of the medical section at the Liverpool meeting in 1912. He served a period as a member of the Liverpool City Council. He practised at 37 Rodney Street. After retirement he lived at Blundellsands and later at Loughrigg, Carrs Crescent, Formby where he died on 9 September 1944. He was buried at Sefton, after a funeral service at Blundellsands Presbyterian church. Gullan had married in 1913 Louise Bowman, who died in 1936; there were no children. Publications:- Clinical notes on epidemic cerebro-spinal meningitis. Brit med J 1915, 1, 716. Encephalitis lethargica, a clinical study. Brit med J 1925, 1, 1120.